Parsed SWM report

580 Hazelhurst Road

York1 Hazelhurst Recycling Facility – 580 Hazelhurst Road · Redevelopment · 2025-11-13

Consultant: EnVision Consultants Ltd. Engineer: Alex Williams, P.Eng. P.Eng sealed Model: UNKNOWN Revision: 01
Credit scorecard — Mississauga bylaw

Each category awards a maximum percentage of the annual stormwater charge as credit. Evidence is extracted directly from the source PDF — no manual review.

Peak Flow
discharge reduction — not documented
0%
Water Quality
TSS removal 80% (enhanced)
30%
Runoff Volume
water-balance capture (2%/mm) — not documented
0%
Operations
BMPs + P.Eng present; sub-credit detection pending — full 20% requires explicit O&A items
20%
Net credit
Capped at 50% of annual stormwater charge
40%
Pre vs post peak discharge
Storm eventPre-dev (L/s)Post-dev (L/s)Δ
100-yr121.2
Stormwater controls (2)
Underground storageUnderground Stormwater Storage Chamber
Storage volume455.0 m³
Outletorifice

260mm orifice plate; peak release rate of 121.2 L/s; sized to over-control flows to offset uncontrolled flow contributions; designed to reduce all storm events up to 100-year to 2-year pre-development level; emergency overflow via access hatch at grade

OtherJellyfish Treatment Unit (JF-6-4-1)

Jellyfish Treatment Unit for water quality control; achieves 80% TSS removal rate per City of Mississauga stormwater management criteria

Best management practices (2)
Underground Stormwater Storage ChamberJellyfish Treatment Unit (JF-6-4-1)
Site characteristics & report metadata
ProjectYork1 Hazelhurst Recycling Facility – 580 Hazelhurst Road
Project typeRedevelopment
DeveloperArmstrong Planning (on behalf of York1)
Existing land useindustrial
Proposed land useindustrial
Site area1.52 ha
TSS removal target80%
Allowable release rate121.2 L/s
Quality control methodJellyfish Treatment Unit (JF-6-4-1)
Extraction audit
Confidence: medium Completeness: 71% Source: 41-page PDF Extractor: PARCELFLOW v1 Validation: review recommended
Starter package
Download credit application package »
10-page PDF: pre-filled Form 2703, starter P.Eng report skeleton, submission checklist. Engineer reviews, adds site inspection + O&M plan, certifies + submits.
Download PDF »

How to read this page. Every value above was extracted from the source PDF by the PARCELFLOW report parser, which combines a layout-robust template detector with a validated extraction stage tuned to Ontario Functional Servicing and Stormwater Management reports. The four-category scorecard maps the parsed evidence onto Mississauga's credit bylaw. Numbers are estimates — engineering review still required before submitting a formal credit application to the City.